North American Industry Classification System (NAICS) code 336120 is used by federal buyers for market research, set-aside size standards, and reporting. Official titles come from the Census Bureau NAICS structure.
Official definition
This industry comprises establishments primarily engaged in (1) manufacturing heavy duty truck chassis and assembling complete heavy duty trucks, buses, heavy duty motor homes, and other special purpose heavy duty motor vehicles for highway use or (2) manufacturing heavy duty truck chassis only.
- Official title
- Heavy Duty Truck Manufacturing
- Code level
- 6
- Parent industry
- Heavy Duty Truck Manufacturing 33612
- Open opportunities
- 11 open · 46 active
SBA small-business size standard
1,500 employees
Employee-count basis · Special exception text applies
Check this standard and its exceptionsExcluded or separately classified activities
Official Census cross-references identify activities that belong under another North American Industry Classification System (NAICS) code.
Manufacturing military armored vehicles--are classified in U.S. Industry 336992, Military Armored Vehicle, Tank, and Tank Component Manufacturing; and
Manufacturing motor homes on purchased heavy truck chassis--are classified in U.S. Industry 336213, Motor Home Manufacturing;
Manufacturing off-highway construction equipment--are classified in Industry 333120, Construction Machinery Manufacturing.
Manufacturing truck and bus bodies and assembling vehicles on purchased chassis--are classified in U.S. Industry 336211, Motor Vehicle Body Manufacturing;
Manufacturing vans, minivans, and light trucks--are classified in Industry 336110, Automobile and Light Duty Motor Vehicle Manufacturing;
Source and edition
2022 NAICS Manual definition and reference material from the U.S. Census Bureau.